The most abundant element on Earth is oxygen, but the most abundant element in the entire universe is hydrogen. On Earth, oxygen makes up approximately 47 percent of the Earth's mass and is found both in Earth's atmosphe...
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The most abundant mineral group found in the Earth's crust is the silicate group. The silicate minerals contain both oxygen and silicon, which are also the two most abundant elements contained in the Earth's mantle. Sili...
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Some interesting hydrogen facts for kids include that it is the most common element found throughout the universe, where it is often found in stars and gas planets, such as Jupiter. Hydrogen is one of the two elements, a...
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Nitrogen is the fifth most abundant element in the universe, and makes up 78 percent of the Earth's atmosphere. Nitrogen is a gas at room temperature and has an atomic number of seven. Nitrogen has a wide number of pract...
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